The measurement of human-body-induced signals such as arterial pulses, blinking motions, and muscle twitching requires a flexible and stretchable multifunctional sensing platform that can measure multiple parameters in response to various body signals. As such, the integration of single-parameter sensors into a common substrate for each stimulus has limited the widespread application due to their expensive and sophisticated fabrication. In addition, the single functional device for multiple

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... uli is also restricting the efficient and reliable measurement of individual parameters due to the proper choice of functional materials.